package five;

/*
 *ClassName:Rectangle
 *UserName:邓嘉豪
 *CreateTime:2020/9/11 13:00
 */
public class Rectangle extends  Shape{
    int n;
    int m;

    @Override
    public int calArea(int n, int m) {
        int j_area = n*m;
        return  j_area;
    }
}
